net: enetc: fix array underflow in error handling code

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This loop will try to unmap enetc_unmap_tx_buff[-1] and crash.

Fixes: 9d2b68cc10 ("net: enetc: add support for XDP_REDIRECT")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/YHBHfCY/yv3EnM9z@mwanda
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Dan Carpenter 2021-04-09 15:24:28 +03:00 • committed by Jakub Kicinski

parent 524e001b7d

commit 626b598aa8

1 changed files with 1 additions and 1 deletions

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drivers/net/ethernet/freescale/enetc/enetc.c

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